package com.burst.reptile.framework.security.filter;

import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

import com.burst.reptile.common.utils.SecurityUtils;
import com.burst.reptile.common.utils.ToolUtil;
import com.burst.reptile.framework.security.LoginUser;
import com.burst.reptile.framework.security.service.TokenService;

import lombok.RequiredArgsConstructor;

/**
 * token过滤器 验证token有效性
 * @author wujin
 * @date: 2020年5月21日 下午3:02:51
 */
@Component
@RequiredArgsConstructor(onConstructor = @__(@Autowired))
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
	
	private final TokenService tokenService;

	@Override
	protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
			throws ServletException, IOException {
		LoginUser loginUser = tokenService.getLoginUser(request);
		if (ToolUtil.isNotEmpty(loginUser) && ToolUtil.isEmpty(SecurityUtils.getAuthentication())) {
			tokenService.verifyToken(loginUser);
			UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser,
					null, loginUser.getAuthorities());
			authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
			SecurityContextHolder.getContext().setAuthentication(authenticationToken);
		}
		chain.doFilter(request, response);
	}
}
